* leading wildcard rider
** selected races, did not race full season
*** switched teams after three rounds - Merkel started with BYRD
# Gschwender also raced number 31
# Rymer also raced number 29 ?
# Moineau also raced number 36
# Morrison also raced number 32
# Nobles also raced number 56
# Meklau also raced number 67